Sony Spresense LTE Extension Board with Global SIM Card

The Sony Spresense LTE Extension Board enhances the Spresense main board by adding LTE connectivity with an onboard antenna and a nanoSIM cardholder. This extension board expands the main board's interfaces by providing multiple microphone inputs, a headphone jack, and a microSD card slot. It connects seamlessly to the Spresense main board using a board-to-board connector.

Designed with the Sony ALT1250 chipset, it supports LTE-M (LTE Cat-M1) and NB-IoT communication standards, offering low cost, low power consumption, and wide-area coverage. Compatible bands include US bands 2, 4, 12, 13, and EU bands 3 and 20. The product comes with a Truphone SIM card, ready for immediate use.

Note: This product is only the extension board; the Spresense main board is required separately.

Features:

• LTE connectivity via Sony ALT1250 chipset supporting LTE-M and NB-IoT standards
• Onboard antenna and nanoSIM cardholder
• Multiple microphone inputs: 4-channel analog or 8-channel digital
• Headphone output jack
• microSD card slot support
• Compatible with US and EU LTE bands
• Includes Truphone global SIM card with APN: iot.truphone.com
• Operates from -10ºC to 40ºC, storage from -20ºC to 60ºC
• Humidity tolerance up to 80% (operating and storage)

Technical Specifications:

• Manufacturer: Sony
• Digital I/O Voltage: 3.3V or 5V
• Audio Input/Output: 4 ch analog mic input or 8 ch digital mic input, headphone output
• External Memory: microSD card slot
• Operating Temperature Range: -10ºC to 40ºC
• Storage Temperature Range: -20ºC to 60ºC
• Maximum Operating Humidity: 80%
• Maximum Storage Humidity: 80%

Support and Management:

• Truphone support available at https://www.truphone.com/support
• IoT/M2M Connectivity Management Platform: https://iot.truphone.com
• Get Started Guide: https://truphone.com/connectit